<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
            width: 110.7px;
            height: 169px;
            background-image: url(./img/ex06/run.png);
            animation: run 1s steps(6) infinite;

        }
        @keyframes run{
            from{
                background-position: 0 0;
            }
            to{
                background-position: -664px 0;
            }
        }
    </style>
</head>
<body>
    <div class="box"></div>
</body>
</html>